salmaasserkaf salmaasserkaf

11-10-2022
Mathematics

Answered

An urn has 13 balls that are identical except that 6 are white and 7 are red. A sample of 7 is selected randomly without replacement.
What is the probability that exactly 5 are white and 2 are red?

What is the probability that at least 5 of the balls are white?

Answer :

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